Pocket Watch Database
Patent Archive
#871387
Patent Information
Watch Tourbillion Rotary
Joseph Burtin
November 19, 1907
Patent #871387
Patent Number: | 871387 |
Description: | Watch Tourbillion Rotary |
Inventor(s): | Joseph Burtin |
Patent Date: | Nov 19, 1907 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |